Ambient Weather's newest Professional Weather Station WS-2902B allows you to monitor your home and backyard weather conditions with the brilliant, easy-to-read LCD color display. Monitor indoor and outdoor conditions, including wind speed, wind direction, rainfall, UV, solar radiation, barometric pressure, indoor/outdoor temperature (F and C), indoor/outdoor humidity, and more. The weather station also calculates dew point, wind chill, and heat index. Experience the convenience of having your personal weather information with you on the go using your computer, tablet, or mobile device. The enhanced Wi-Fi option connects to your router (2.4 GHz) and enables your station to transmit its data wirelessly to the world's largest personal weather station network, Weather Underground, in addition to WeatherCloud, WeatherBug, and our exclusive AmbientWeather.net featuring the most user friendly design for monitoring your data across different platforms. Quickly view detailed information with our animated expandable modules. The wireless sensor array connects to the console via RF (915 MHz) up to 330 feet line of sight in open air (100 feet under most conditions). The wireless signal will not pass through solid metal, earth, or ground. The sensor array's primary power source is a solar panel which charges the super capiator, with optional battery backup (batteries not included). The sensor array mounts to any pole between 1 and 2" diameter with adaptive mounting bracket and U-Bolt design can be tightened to your mounting pole (not included). Specifications:Indoor Temperature Range: 14 to 140 °F Outdoor Temperature Sensor Range: -40 to 149 °F Indoor Humidity Range: 10 to 99% Outdoor Humidity Range: 10 to 99% Barometric Pressure Range: 8.85 to 32.50 inHg Solar Radiation (Light) Range: 0 to 200,000 Lux Rain Range: 0 to 394 in. Wind Direction Range: 0 - 360º Wind Speed Range: 0 to 100 mph